54185039 has 4 divisors (see below), whose sum is σ = 54199920. Its totient is φ = 54170160.

The previous prime is 54185023. The next prime is 54185051. The reversal of 54185039 is 93058145.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54185039 - 2⁴ = 54185023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54185009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099 + ... + 10619.

It is an arithmetic number, because the mean of its divisors is an integer number (13549980).

Almost surely, 2^54185039 is an apocalyptic number.

54185039 is a deficient number, since it is larger than the sum of its proper divisors (14881).

54185039 is an equidigital number, since it uses as much as digits as its factorization.

54185039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 54185039 is about 7361.0487703859. The cubic root of 54185039 is about 378.4075533887.

The spelling of 54185039 in words is "fifty-four million, one hundred eighty-five thousand, thirty-nine".